Centra Pipelines Minnesota Inc.

Second Revised Volume No. 2

Effective Date: 10/16/1991, Docket: RP91-136-002, Status: Effective

Original Sheet No. 18 Original Sheet No. 18 : Effective

delivery of the gas and which do not cause it to fail to meet

any of the quality specifications herein set forth.

containing not more than one (1) grain of hydrogen

sulphide per hundred cubic feet nor more than twenty (20)

grains of total sulphur per hundred cubic feet of gas as

determined by standard methods of testing.

(d) Shall not contain more than two per cent (2%) by volume

of carbon dioxide.

(e) Shall have been dehydrated, if necessary, for removal of

water present therein in a vapour state, and in no event

contain more than two point eight (2.8) grains of water

vapour per hundred cubic feet at standard conditions.

(f) Shall not exceed a temperature of one hundred and twenty

degree (120.) Fahrenheit.

7.2 Shipper shall ensure that the natural gas delivered to Centra shall

be odorized in order to comply with all state, federal and

provincial laws, orders, rules and regulations. Shipper shall be

responsible for any measurement of odorant level in the gas